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rewona [7]
3 years ago
15

A fire that is burning wood will release water vapor and carbon dioxide true or false?

Chemistry
1 answer:
Triss [41]3 years ago
6 0

Answer:

true.

Explanation:

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How many hydrogen atoms are attached to each carbon adjacent to a double bond?
nekit [7.7K]
Carbon can make four bonds. Since it is doubly bonded carbon, it means it can make two more bonds. So, two more hydrogen atoms could help in bond formation.

H_{2}C=CH_{2}

Two H atoms are attached to each carbon.
6 0
3 years ago
How many moles of air are necessary for the combustion of 5.00 molmol of isooctane, assuming that air is 21.0% O2O2 by volume?
Annette [7]

Answer:

67.5 moles of O2

Explanation:

2  C 8 H 18  +  27 O 2  →  16 C O 2  +  18 H 2 O

According to the balanced chemical equation, in normal air % moles of iso-octane will require 67.5 moles of oxygen to combust completely...

8 0
4 years ago
If you have a yellow light bulb and a blue one, which emits light of higher frequency?
marishachu [46]
Think roygbiv

red has low intensity and violet has the highest. so blue has the higher intensity which is answer B


and frequency is directly related to intensity. the wavelength of blue is smaller than yellow which means he frequency is higher.
5 0
3 years ago
Endothermic or exothermic
yanalaym [24]

Answer:

endo takes energy in and exo releases it out

Explanation:

3 0
3 years ago
What is the effect of on the volume of a<br> gas?
Scrat [10]

Answer:According to Boyle's Law, the volume of a gas is inversely proportional to the pressure of a gas. Therefore, increasing the volume has the same effect as decreasing the pressure. If the volume in which a gas reaction takes place is DECREASED, the reaction will shift toward the side with fewer moles of GAS.

Explanation:

3 0
4 years ago
Read 2 more answers
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